Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual era o time da casa da partida em 21.10.07, que teve o bsc young boys (asl) como visitante?
 ###Tabelas: CREATE TABLE april (april_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Visitor VARCHAR, Score VARCHAR, Home VARCHAR, Leading scorer VARCHAR, Attendance INT, Record VARCHAR) CREATE TABLE general_information__&__feature_comparison (general_information__&__feature_comparison_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Year Began VARCHAR, s Registered user VARCHAR, Updated in past 30 days VARCHAR, Registration VARCHAR, Ability to syndicate off-site feeds VARCHAR, Userpics Free VARCHAR, Userpics Paid VARCHAR, Monthly Cost for Paid Account VARCHAR, Yearly Cost for Paid Account VARCHAR, Permanent Account VARCHAR) CREATE TABLE participating_schools (participating_schools_id AUTO_INCREMENT PRIMARY KEY, School VARCHAR, Location VARCHAR, Enrolment INT, Founded INT, Denomination VARCHAR, Day/Boarding VARCHAR, School Colours VARCHAR, Abbreviation VARCHAR, In competition since INT) CREATE TABLE round_of_32 (round_of_32_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Time VARCHAR, Home VARCHAR, Geust VARCHAR, Result VARCHAR) CREATE TABLE top_appearances (top_appearances_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Player VARCHAR, Club(s) VARCHAR, Year(s) VARCHAR, U-17 Caps INT)  
SELECT Home FROM round_of_32 WHERE Date = 21.10.07 AND Geust = bsc young boys (asl)